1 files changed, 34 insertions, 0 deletions
diff --git a/lib/xtoxll.h b/lib/xtoxll.h
new file mode 100644
index 000000000..853a80637
--- /dev/null
+++ b/lib/xtoxll.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2008 Nicira Networks.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef XTOXLL_H
+#define XTOXLL_H 1
+
+#include <arpa/inet.h>
+#include <sys/types.h>
+
+static inline uint64_t
+htonll(uint64_t n)
+{
+    return htonl(1) == 1 ? n : ((uint64_t) htonl(n) << 32) | htonl(n >> 32);
+}
+
+static inline uint64_t
+ntohll(uint64_t n)
+{
+    return htonl(1) == 1 ? n : ((uint64_t) ntohl(n) << 32) | ntohl(n >> 32);
+}
+
+#endif /* xtoxll.h */